package br.com.clubelivro.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

@WebFilter(servletNames={"Faces Servlet"})
public class SegurancaFilter implements Filter {

	@Override
	public void doFilter (ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {

		HttpServletRequest req = (HttpServletRequest) request ;
		HttpSession session = req.getSession();

		if (session.getAttribute("usuarioLogado") != null
				|| req.getRequestURI().endsWith("login.jsf")) {
			
			request.setCharacterEncoding("UTF-8");
			chain.doFilter(request, response);
		} else {
			HttpServletResponse res = (HttpServletResponse)response ;
			res.sendRedirect(req.getContextPath() + "/login/login.jsf");
		}
	}

	@Override
	public void init ( FilterConfig filterConfig ) throws ServletException {

	}

	@Override
	public void destroy () {

	}
}
